swift网络工具类

import UIKit
import AFNetworking
import SVProgressHUD


enum  RequestType :Int{
    case GET = 0
    case POST = 1
}



class XBNetworkTool: AFHTTPSessionManager {
    static let sharedNetworkTool = XBNetworkTool()


    //把get 和post方法写在一个方法中
    func sendRequest(URLString : String,type : RequestType,params : AnyObject?,success : (JSON : AnyObject?)->(),failure : (error : NSError)->())
    {
        SVProgressHUD.show()
        if(type == RequestType.GET)
        {
            XBNetworkTool.sharedNetworkTool.GET(URLString, parameters: params, progress: nil, success: { (_, JSON) -> Void in

                success(JSON: JSON)

            SVProgressHUD.dismiss()
                }, failure: { (_, error) -> Void in
                    SVProgressHUD.showErrorWithStatus(error.description)
                    failure(error: error)
            })
        }
        else if(type == RequestType.POST)
        {
            XBNetworkTool.sharedNetworkTool.POST(URLString, parameters: params, progress: nil, success: { (_, JSON) -> Void in

                //成功回调方法的实现
                success(JSON: JSON)

                SVProgressHUD.dismiss()

                }, failure: { (_, error) -> Void in
                    SVProgressHUD.showErrorWithStatus(error.description)
                //失败了回调数据
                failure(error: error)
            })
        }
    }
}